Reliability improvement for ink jet pens

Details Reliability improvement for ink jet pens Reliability improvement for ink jet pens

1988-12-30

1990-10-02

Reynolds, Bruce A.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, 346140A, 346140R, G01D 1518

Patent

active

049610767

ABSTRACT:
An ink jet pen includes an ink reservoir for containing ink and a catchbasin coupled to the reservoir by an orifice for containing ink displaced from the reservoir by environmental conditions. Also coupling the reservoir and catchbasin is an ink return mechanism that permits substantially all of the ink that may be displaced to the catchbasin to be returned to the reservoir regardless of the pen's orientation.

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Durbeck, Robert C., et al., "Ink Jet Printing", Output Hardcopy Devices, Academic Press, Inc., 1988, Chapter 13, pp. 311-370.
Hewlett-Packard Journal, vol. 36, No. 5, May, 1985, pp. 1-27.

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